
<template>
  <el-radio-group v-model="isCollapse" style="margin-bottom: 20px">
    <el-radio-button :value="false">展开</el-radio-button>
    <el-radio-button :value="true">收起</el-radio-button>
  </el-radio-group>
  <el-menu
    default-active="1-4-1"
    class="el-menu-vertical-demo"
    @open="handleOpen"
    @close="handleClose"
    :collapse="isCollapse"
  >
    <el-sub-menu index="total">
      <template #title>
        <i>
          <el-icon><Location /></el-icon>
        </i>
        <span>导航一</span>
      </template>
      <el-menu-item-group>
        <template #title>分组一</template>
        <el-menu-item index="1-1" @click="openChoose(1)">选项1</el-menu-item>
        <el-menu-item index="1-2">选项2</el-menu-item>
      </el-menu-item-group>
      <el-menu-item-group title="分组2">
        <el-menu-item index="1-3">选项3</el-menu-item>
      </el-menu-item-group>
      <el-sub-menu index="1-4">
        <template #title>选项4</template>
        <el-menu-item index="1-4-1">选项1</el-menu-item>
      </el-sub-menu>
    </el-sub-menu>
    <el-menu-item index="2">
      <i class="el-icon-menu"></i>
      <template #title>导航二</template>
    </el-menu-item>
    <el-menu-item index="3" disabled>
      <i class="el-icon-document"></i>
      <template #title>导航三</template>
    </el-menu-item>
    <el-menu-item index="4">
      <i class="el-icon-setting"></i>
      <template #title>导航四</template>
    </el-menu-item>
  </el-menu>
</template>
  
  <script>
export default {
  data() {
    return {
      isCollapse: true,
    };
  },
  methods: {
    handleOpen(key, keyPath) {
      console.log(key, keyPath);
    },
    handleClose(key, keyPath) {
      console.log(key, keyPath);
    },
    openChoose(a) {
      if (a == 1) {
        this.$router.push("/main/p1");
      }
    },
  },
};
</script>
  
  <!-- <style>
  .el-menu-vertical-demo:not(.el-menu--collapse) {
      width: 200px;
      min-height: 400px;
    }
  </style> -->
  